Display screen of portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with graphical user interface showing my new design.

The dashed broken line perimeter in the figure illustrates a display screen or portion thereof and forms no part of the claimed design. The remaining dashed broken lines in the figure illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 